Drone

Facebook says it will begin test flights later this year for a solar-powered drone with a wingspan as big as a Boeing 737, in the next stage of its campaign to deliver Internet connectivity to remote parts of the world.

The California National Guard is using a drone to search El Dorado National Forest for a missing San Francisco teacher, marking the first time the Guard has used a drone for a search-and-rescue mission.

California’s State Fair is hosting the first-ever U.S. National Drone Racing Championships, featuring 120 pilots from all over the world operating packs of drones zipping around an 11,000-seat stadium at speeds of up to 80 mph.